1
/* Copyright (C) 2003 MySQL AB
3
This program is free software; you can redistribute it and/or modify
4
it under the terms of the GNU General Public License as published by
5
the Free Software Foundation; either version 2 of the License, or
6
(at your option) any later version.
8
This program is distributed in the hope that it will be useful,
9
but WITHOUT ANY WARRANTY; without even the implied warranty of
10
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11
GNU General Public License for more details.
13
You should have received a copy of the GNU General Public License
14
along with this program; if not, write to the Free Software
15
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
17
#ifndef LONG_SIGNAL_HPP
18
#define LONG_SIGNAL_HPP
21
#include <ArrayPool.hpp>
26
struct SectionSegment {
28
STATIC_CONST( DataLength = NDB_SECTION_SEGMENT_SZ );
37
Uint32 theData[DataLength];
41
* Pool for SectionSegments
43
class SectionSegmentPool : public ArrayPool<SectionSegment> {};
48
extern SectionSegmentPool g_sectionSegmentPool;
53
void print(SegmentedSectionPtr ptr, FILE* out);
54
void copy(SegmentedSectionPtr dst, Uint32 * src, Uint32 len);
55
void copy(Uint32 * dst, SegmentedSectionPtr src);
57
extern class SectionSegmentPool g_sectionSegmentPool;
58
void getSection(SegmentedSectionPtr & ptr, Uint32 id);
59
void linkSegments(Uint32 head, Uint32 tail);
61
void getSections(Uint32 secCount, SegmentedSectionPtr ptr[3]);
62
void releaseSections(Uint32 secCount, SegmentedSectionPtr ptr[3]);
65
#include "DataBuffer.hpp"
69
append(DataBuffer<sz>& dst, SegmentedSectionPtr ptr, SectionSegmentPool& pool){
71
while(len > SectionSegment::DataLength){
72
dst.append(ptr.p->theData, SectionSegment::DataLength);
73
ptr.p = pool.getPtr(ptr.p->m_nextSegment);
74
len -= SectionSegment::DataLength;
76
dst.append(ptr.p->theData, len);